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Radovan Kovacevic
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Proceedings Papers

Heat Flux Determination at the AWJ Cutting Zone Using IR Thermography and Inverse Heat Conduction Problem

Ram S. Mohan, Radovan Kovacevic, Heather E. Beardsley
Proc. ASME. IMECE96, Heat Transfer: Volume 1 — Heat Transfer in Microgravity Systems; Radiative Heat Transfer and Radiative Heat Transfer in Low-Temperature Environments; Thermal Contact Conductance and Inverse Problems in Heat Transfer, 245-254, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0050
https://doi.org/10.1115/IMECE1996-0050
View Paper titled, Heat Flux Determination at the AWJ Cutting Zone Using IR Thermography and Inverse Heat Conduction Problem
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Topics: Cutting, Heat conduction, Heat flux, Thermography, Nozzles, Temperature, Temperature distribution, Cutting tools, Heat, Slurries
Proceedings Papers

Robust Stabilizing Control of Stable Interval Plants: A Time Domain Approach

Yu M. Zhang, Radovan Kovacevic
Proc. ASME. IMECE96, Dynamic Systems and Control, 867-875, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0421
https://doi.org/10.1115/IMECE1996-0421
View Paper titled, Robust Stabilizing Control of Stable Interval Plants: A Time Domain Approach
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Topics: Algorithms, Control systems, Delays, Feedback, Simulation, Stability, Steady state, Welding
Proceedings Papers

Heat Input Control in 3D Laser Cladding Based on Infrared Sensing

Dongming Hu, Yunxin Wu, Radovan Kovacevic
Proc. ASME. IMECE2001, Manufacturing Engineering, 333-341, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/MED-23337
https://doi.org/10.1115/IMECE2001/MED-23337
View Paper titled, Heat Input Control in 3D Laser Cladding Based on Infrared Sensing
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Topics: Cladding systems (Building), Heat, Lasers
Proceedings Papers

Influence of Geometrical Factor on Heat Conduction Rate During GTAW for Welding-Based Deposition

Ivan S. Kmecko, Zoran Jandric, Radovan Kovacevic
Proc. ASME. IMECE2001, Manufacturing Engineering, 343-351, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/MED-23338
https://doi.org/10.1115/IMECE2001/MED-23338
View Paper titled, Influence of Geometrical Factor on Heat Conduction Rate During GTAW for Welding-Based Deposition
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Topics: Gas tungsten arc welding, Heat conduction, Welding, Control equipment, Flow (Dynamics), Corners (Structural elements), Dimensions, Dynamic models, Filler metals, Geometry
Proceedings Papers

Solid Freeform Fabrication of Metal Parts by 3D Laser Cladding

Dongming Hu, Radovan Kovacevic, Mike Valant
Proc. ASME. IMECE2000, Manufacturing Engineering, 365-371, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1830
https://doi.org/10.1115/IMECE2000-1830
View Paper titled, Solid Freeform Fabrication of Metal Parts by 3D Laser Cladding
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Topics: Cladding systems (Building), Lasers, Metals, Stereolithography
Journal Articles

Prediction of Residual Stress Random Fields for Selective Laser Melted A357 Aluminum Alloy Subjected to Laser Shock Peening

Mohammad I. Hatamleh, Jagannathan Mahadevan, Arif Malik, Dong Qian, Radovan Kovacevic
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2019, 141(10): 101011.
Paper No: MANU-18-1757
https://doi.org/10.1115/1.4044418
Published Online: September 4, 2019
View Article titled, Prediction of Residual Stress Random Fields for Selective Laser Melted A357 Aluminum Alloy Subjected to Laser Shock Peening
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Topics: Laser hardening, Lasers, Probability, Stress, Residual stresses, Aluminum alloys
Proceedings Papers

Process Development for a Robotized Laser Wire Additive Manufacturing

Meysam Akbari, Yaoyu Ding, Radovan Kovacevic
Proc. ASME. MSEC2017, Volume 2: Additive Manufacturing; Materials, V002T01A015, June 4–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2017-2951
https://doi.org/10.1115/MSEC2017-2951
View Paper titled, Process Development for a Robotized Laser Wire Additive Manufacturing
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Topics: Additive manufacturing, Lasers, Wire, Metals, Robots, Aerospace industry, Biomedicine, Computer-aided design, Drops, Fiber lasers
Proceedings Papers

Investigation of Thermal Cycle and Hardness Distribution in the Laser Cladding of AISI H13 Tool Steel Produced by a High Power Direct Diode Laser

Parisa Farahmand, Prabu Balu, Fanrong Kong, Radovan Kovacevic
Proc. ASME. IMECE2013, Volume 2A: Advanced Manufacturing, V02AT02A078, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-62193
https://doi.org/10.1115/IMECE2013-62193
View Paper titled, Investigation of Thermal Cycle and Hardness Distribution in the Laser Cladding of AISI H13 Tool Steel Produced by a High Power Direct Diode Laser
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Topics: Cladding systems (Building), Cycles, Finite element methods, Lasers, Phase transitions, Tool steel
Proceedings Papers

Residual Stress Analysis and Weld Bead Shape Study in Laser Welding of High Strength Steel

Wei Liu, Fanrong Kong, Radovan Kovacevic
Proc. ASME. MSEC2013, Volume 1: Processing, V001T01A053, June 10–14, 2013
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2013-1102
https://doi.org/10.1115/MSEC2013-1102
View Paper titled, Residual Stress Analysis and Weld Bead Shape Study in Laser Welding of High Strength Steel
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Topics: High strength steel, Laser welding, Shapes, Stress analysis (Engineering), Stress, Lasers, Welding, Heat treating (Metalworking), Plates (structures), ASTM International
Journal Articles

Numerical Modeling of Heat Distribution in the Electron Beam Melting ® of Ti-6Al-4V

Mahdi Jamshidinia, Fanrong Kong, Radovan Kovacevic
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. December 2013, 135(6): 061010.
Paper No: MANU-13-1207
https://doi.org/10.1115/1.4025746
Published Online: November 7, 2013
View Article titled, Numerical Modeling of Heat Distribution in the Electron Beam Melting ® of Ti-6Al-4V
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Topics: Cathode ray oscilloscopes, Computer simulation, Convection, Density, Electron beams, Heat, Temperature, Melting, Thermal conductivity, Flow (Dynamics)
Proceedings Papers

Numerical Simulation and Experimental Investigation of Gas-Powder Flow in Inner Powder Delivery System

Shuang Liu, Fanrong Kong, Shihong Shi, Radovan Kovacevic
Proc. ASME. IMECE2012, Volume 3: Design, Materials and Manufacturing, Parts A, B, and C, 77-87, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-89573
https://doi.org/10.1115/IMECE2012-89573
View Paper titled, Numerical Simulation and Experimental Investigation of Gas-Powder Flow in Inner Powder Delivery System
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Topics: Cladding systems (Building), Computer simulation, Flow (Dynamics), Lasers
Proceedings Papers

A Comprehensive Model for Predicting Fatigue Life of Laser Welded Lap Joint of Galvanized High Strength Steel as a Function of Residual Stresses

Joe Anago, Fanrong Kong, Blair Carlson, Radovan Kovacevic
Proc. ASME. IMECE2012, Volume 3: Design, Materials and Manufacturing, Parts A, B, and C, 895-903, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-88318
https://doi.org/10.1115/IMECE2012-88318
View Paper titled, A Comprehensive Model for Predicting Fatigue Life of Laser Welded Lap Joint of Galvanized High Strength Steel as a Function of Residual Stresses
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Topics: Fatigue life, High strength steel, Lasers, Residual stresses, Stress, Finite element model, Fatigue strength, Temperature, Cycles, Computer simulation
Proceedings Papers

Mitigation of Pore Generation in Laser Welding of Magnesium Alloy AZ31B in Lap Joint Configuration

Masoud Harooni, Fanrong Kong, Blair Carlson, Radovan Kovacevic
Proc. ASME. IMECE2012, Volume 3: Design, Materials and Manufacturing, Parts A, B, and C, 919-927, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-89073
https://doi.org/10.1115/IMECE2012-89073
View Paper titled, Mitigation of Pore Generation in Laser Welding of Magnesium Alloy AZ31B in Lap Joint Configuration
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Topics: Laser welding, Magnesium alloys
Proceedings Papers

Wettability Enhancement of Aluminum Alloys via Plasma Arc Discharge

Mehdi Asgharifar, Joshua Abramovitch, Fanrong Kong, Blair Carlson, Radovan Kovacevic
Proc. ASME. MSEC2012, ASME 2012 International Manufacturing Science and Engineering Conference, 449-455, June 4–8, 2012
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2012-7331
https://doi.org/10.1115/MSEC2012-7331
View Paper titled, Wettability Enhancement of Aluminum Alloys via Plasma Arc Discharge
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Topics: Aluminum alloys, Electric arcs
Proceedings Papers

Studying Effects of Arc Discharge Surface Texturing on Stress Distribution in Adhesively Bonded Joints by Using Finite Element Modeling

Mehdi Asgharifar, Fanrong Kong, Blair Carlson, Radovan Kovacevic
Proc. ASME. MSEC2011, ASME 2011 International Manufacturing Science and Engineering Conference, Volume 2, 1-7, June 13–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2011-50119
https://doi.org/10.1115/MSEC2011-50119
View Paper titled, Studying Effects of Arc Discharge Surface Texturing on Stress Distribution in Adhesively Bonded Joints by Using Finite Element Modeling
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Topics: Adhesives, Aluminum alloys, Bonding, Electric arcs, Finite element analysis, Modeling, Stress concentration, Surface finishing
Proceedings Papers

Surface Texturing of Metals by Cathode Spots of Atmospheric Arc

Rouzbeh Sarrafi, Mehdi Asgharifar, Radovan Kovacevic
Proc. ASME. MSEC2011, ASME 2011 International Manufacturing Science and Engineering Conference, Volume 2, 323-329, June 13–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2011-50295
https://doi.org/10.1115/MSEC2011-50295
View Paper titled, Surface Texturing of Metals by Cathode Spots of Atmospheric Arc
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Topics: Aluminum alloys, Machinery, Metal surfaces, Metals, Microscopy, Welding
Proceedings Papers

Numerical and Experimental Study on the Thermally Induced Residual Stresses Behavior in the Hybrid Laser/Arc Welding of Lap Joint

Fanrong Kong, Radovan Kovacevic
Proc. ASME. MSEC2009, ASME 2009 International Manufacturing Science and Engineering Conference, Volume 2, 1-10, October 4–7, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2009-84011
https://doi.org/10.1115/MSEC2009-84011
View Paper titled, Numerical and Experimental Study on the Thermally Induced Residual Stresses Behavior in the Hybrid Laser/Arc Welding of Lap Joint
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Topics: Arc welding, Finite element model, Gas tungsten arc welding, Laser welding, Lasers, Residual stresses
Proceedings Papers

Modeling of Transport Phenomena in the Laser Multilayered Cladding

Fanrong Kong, Radovan Kovacevic
Proc. ASME. MSEC2009, ASME 2009 International Manufacturing Science and Engineering Conference, Volume 1, 737-745, October 4–7, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2009-84010
https://doi.org/10.1115/MSEC2009-84010
View Paper titled, Modeling of Transport Phenomena in the Laser Multilayered Cladding
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Topics: Cladding systems (Building), Lasers, Modeling, Transport phenomena
Proceedings Papers

Dynamic Simulation of Temperature Field in Hybrid Laser-GTAW Welding of Galvanized Steels in a Gap-Free Lap Joint Configuration

Shanglu Yang, Fanrong Kong, Ehsan Forroozmehr, Radovan Kovacevic
Proc. ASME. MSEC2009, ASME 2009 International Manufacturing Science and Engineering Conference, Volume 1, 817-825, October 4–7, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2009-84184
https://doi.org/10.1115/MSEC2009-84184
View Paper titled, Dynamic Simulation of Temperature Field in Hybrid Laser-GTAW Welding of Galvanized Steels in a Gap-Free Lap Joint Configuration
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Topics: Gas tungsten arc welding, Lasers, Simulation, Steel, Temperature, Welding, Heat, Temperature distribution, Dimensions, Finite element methods
Proceedings Papers

Noise Reduction During Acoustic Monitoring of Laser Welding of High-Strength Steels

Wei Huang, Radovan Kovacevic
Proc. ASME. MSEC2009, ASME 2009 International Manufacturing Science and Engineering Conference, Volume 1, 763-770, October 4–7, 2009
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2009-84080
https://doi.org/10.1115/MSEC2009-84080
View Paper titled, Noise Reduction During Acoustic Monitoring of Laser Welding of High-Strength Steels
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Topics: Acoustics, Laser welding, Noise control, Steel, Microphones, Signals, Laser materials, Microphone arrays, Noise (Sound), Quality control